@misc{cryptoeprint:2002:118, author = {Alexandra Boldyreva}, title = {Efficient threshold signature, multisignature and blind signature schemes based on the Gap-Diffie-Hellman-group signature scheme}, howpublished = {Cryptology ePrint Archive, Report 2002/118}, year = {2002}, url = {http://eprint.iacr.org/2002/118}, }