@misc{cryptoeprint:2012:499,
    author = {Martín A. G. Vigil and Daniel Cabarcas and Alexander Wiesmaier and Johannes Buchmann},
    title = {Authenticity, Integrity and Proof-of-Existence for Long-Term Archiving: a Survey},
    howpublished = {Cryptology ePrint Archive, Report 2012/499},
    year = {2012},
    url = {http://eprint.iacr.org/2012/499},
}