@misc{cryptoeprint:2012:686, author = {Jian Zou and Wenling Wu and Shuang Wu and Le Dong}, title = {Improved (Pseudo) Preimage Attack and Second Preimage Attack on Round-Reduced Gr{\o}stl}, howpublished = {Cryptology ePrint Archive, Report 2012/686}, year = {2012}, url = {http://eprint.iacr.org/2012/686}, }