@misc{cryptoeprint:2004:143, author = {Nicolas T. Courtois}, title = {Short Signatures, Provable Security, Generic Attacks and Computational Security of Multivariate Polynomial Schemes such as HFE, Quartz and Sflash }, howpublished = {Cryptology ePrint Archive, Report 2004/143}, year = {2004}, url = {http://eprint.iacr.org/2004/143}, }