BIP-352: mention secp256k1lab in BIP text

Author: theStack

bip-0352.mediawiki

@@ -374,7 +374,10 @@ Silent payments introduces a new address format and protocol for sending and as
 
 == Test Vectors ==
 
-A [[bip-0352/send_and_receive_test_vectors.json|collection of test vectors in JSON format]] are provided, along with a [[bip-0352/reference.py|python reference implementation]]. Each test vector consists of a sending test case and corresponding receiving test case. This is to allow sending and receiving to be implemented separately. To ensure determinism while testing, sort the array of ''B<sub>m</sub>'' by amount (see the [[bip-0352/reference.py|reference implementation]]). Test cases use the following schema:
+A [[bip-0352/send_and_receive_test_vectors.json|collection of test vectors in JSON format]] are provided, along with a [[bip-0352/reference.py|python reference implementation]]. It uses a vendored copy of the [https://github.com/secp256k1lab/secp256k1lab/ secp256k1lab] library at version 1.0.0
+(commit [https://github.com/secp256k1lab/secp256k1lab/commit/44dc4bd893b8f03e621585e3bf255253e0e0fbfb 44dc4bd893b8f03e621585e3bf255253e0e0fbfb]).
+
+Each test vector consists of a sending test case and corresponding receiving test case. This is to allow sending and receiving to be implemented separately. To ensure determinism while testing, sort the array of ''B<sub>m</sub>'' by amount (see the [[bip-0352/reference.py|reference implementation]]). Test cases use the following schema:
 
 ''' test_case '''