@misc{cryptoeprint:2011:308,
    author = {Michael Backes, Ian Goldberg, Aniket Kate, Esfandiar Mohammadi},
    title = {Provably Secure and Practical Onion Routing},
    howpublished = {Cryptology ePrint Archive, Report 2011/308},
    year = {2011},
    url = {http://eprint.iacr.org/2011/308},
}