@misc{cryptoeprint:2005:464,
    author = {Christopher Wolf and Bart Preneel},
    title = {Equivalent Keys in Multivariate Quadratic Public Key Systems},
    howpublished = {Cryptology ePrint Archive, Report 2005/464},
    year = {2005},
    url = {http://eprint.iacr.org/2005/464},
}