@misc{cryptoeprint:2004:222, author = {An Braeken and Christopher Wolf and Bart Preneel}, title = {A Study of the Security of Unbalanced Oil and Vinegar Signature Schemes}, howpublished = {Cryptology ePrint Archive, Report 2004/222}, year = {2004}, url = {http://eprint.iacr.org/2004/222}, }