@misc{cryptoeprint:2011:609,
    author = {Jian Guo and Thomas Peyrin and Axel Poschmann},
    title = {The PHOTON Family of Lightweight Hash Functions},
    howpublished = {Cryptology ePrint Archive, Report 2011/609},
    year = {2011},
    url = {http://eprint.iacr.org/2011/609},
}