@misc{cryptoeprint:2006:098, author = {Makoto Sugita, Mitsuru Kawazoe, Hideki Imai}, title = {Gr\"obner Basis Based Cryptanalysis of SHA-1}, howpublished = {Cryptology ePrint Archive, Report 2006/098}, year = {2006}, url = {http://eprint.iacr.org/2006/098}, }