@misc{cryptoeprint:2010:625,
    author = {Ben Smyth and Veronique Cortier},
    title = {Does Helios ensure ballot secrecy?},
    howpublished = {Cryptology ePrint Archive, Report 2010/625},
    year = {2010},
    url = {http://eprint.iacr.org/2010/625},
}