@misc{cryptoeprint:2011:286, author = {Dmitry Khovratovich and Christian Rechberger and Alexandra Savelieva}, title = {Bicliques for Preimages: Attacks on Skein-512 and the SHA-2 family}, howpublished = {Cryptology ePrint Archive, Report 2011/286}, year = {2011}, url = {http://eprint.iacr.org/2011/286}, }