@misc{cryptoeprint:2011:026,
    author = {Emiliano De Cristofaro and Mark Manulis and Bertram Poettering},
    title = {Private Discovery of Common Social Contacts},
    howpublished = {Cryptology ePrint Archive, Report 2011/026},
    year = {2011},
    url = {http://eprint.iacr.org/2011/026},
}