@misc{cryptoeprint:2004:361,
    author = {Christopher Wolf and Bart Preneel},
    title = {Superfluous Keys in Multivariate Quadratic Asymmetric Systems},
    howpublished = {Cryptology ePrint Archive, Report 2004/361},
    year = {2004},
    url = {http://eprint.iacr.org/2004/361},
}