@misc{cryptoeprint:2007:270,
    author = {David Chaum and Jeroen van de Graaf and Peter Y. A. Ryan and Poorvi L. Vora},
    title = {Secret Ballot Elections with Unconditional Integrity},
    howpublished = {Cryptology ePrint Archive, Report 2007/270},
    year = {2007},
    url = {http://eprint.iacr.org/2007/270},
}