@misc{cryptoeprint:2011:532,
    author = {Bart Mennink and Bart Preneel},
    title = {Hash Functions Based on Three Permutations: A Generic Security Analysis},
    howpublished = {Cryptology ePrint Archive, Report 2011/532},
    year = {2011},
    url = {http://eprint.iacr.org/2011/532},
}