@misc{cryptoeprint:2011:399,
    author = {Luk Bettale and Jean-Charles Faugère and Ludovic Perret},
    title = {Cryptanalysis of HFE, Multi-HFE and Variants for Odd and Even Characteristic},
    howpublished = {Cryptology ePrint Archive, Report 2011/399},
    year = {2011},
    url = {http://eprint.iacr.org/2011/399},
}