@misc{cryptoeprint:2011:714,
    author = {Huajun Zhang and Zongyang Zhang and Zhenfu Cao},
    title = {Position-Verification in Multi-Channel Models},
    howpublished = {Cryptology ePrint Archive, Report 2011/714},
    year = {2011},
    url = {http://eprint.iacr.org/2011/714},
}