@misc{cryptoeprint:2003:192, author = {Ron Steinfeld and Laurence Bull and Huaxiong Wang and Josef Pieprzyk}, title = {Universal Designated-Verifier Signatures}, howpublished = {Cryptology ePrint Archive, Report 2003/192}, year = {2003}, url = {http://eprint.iacr.org/2003/192}, }