@misc{cryptoeprint:2004:093, author = {Giuseppe Ateniese and Breno de Medeiros}, title = {A Provably Secure Nyberg-Rueppel Signature Variant with Applications}, howpublished = {Cryptology ePrint Archive, Report 2004/093}, year = {2004}, url = {http://eprint.iacr.org/2004/093}, }