@misc{cryptoeprint:2011:261,
    author = {Danilo Gligoroski and Rune Steinsmo Ødeård and Rune Erlend Jensen},
    title = {OBSERVATION: An explicit form for a class of second preimages for any message M for the SHA-3 candidate Keccak},
    howpublished = {Cryptology ePrint Archive, Report 2011/261},
    year = {2011},
    url = {http://eprint.iacr.org/2011/261},
}