@misc{cryptoeprint:2012:665,
    author = {Daniel R. L. Brown},
    title = {Uniform Compression Functions Can Fail to Preserve “Full” Entropy},
    howpublished = {Cryptology ePrint Archive, Report 2012/665},
    year = {2012},
    url = {http://eprint.iacr.org/2012/665},
}