@misc{cryptoeprint:2012:372,
    author = {Deukjo Hong and Dong-Chan Kim and Daesung Kwon},
    title = {New Preimage Attacks on Hash Modes of AES-256},
    howpublished = {Cryptology ePrint Archive, Report 2012/372},
    year = {2012},
    url = {http://eprint.iacr.org/2012/372},
}