@misc{cryptoeprint:2012:456,
    author = {Johannes Gehrke and Michael Hay and Edward Lui and Rafael Pass},
    title = {Crowd-Blending Privacy},
    howpublished = {Cryptology ePrint Archive, Report 2012/456},
    year = {2012},
    url = {http://eprint.iacr.org/2012/456},
}