@misc{cryptoeprint:2007:387,
    author = {John A. Clark and Juan M. E. Tapiador},
    title = {Analysis of Local Optima in Block Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2007/387},
    year = {2007},
    url = {http://eprint.iacr.org/2007/387},
}