@misc{cryptoeprint:2010:361,
    author = {Jeremy Clark and Urs Hengartner},
    title = {On the Use of Financial Data as a Random Beacon},
    howpublished = {Cryptology ePrint Archive, Report 2010/361},
    year = {2010},
    url = {http://eprint.iacr.org/2010/361},
}