@misc{cryptoeprint:2015:230,
    author = {Der-Yeuan Yu and Aanjhan Ranganathan and Ramya Jayaram Masti and Claudio Soriente and Srdjan Capkun},
    title = {W-SPS: Designing a Wide-Area Secure Positioning System},
    howpublished = {Cryptology ePrint Archive, Report 2015/230},
    year = {2015},
    url = {https://eprint.iacr.org/2015/230},
}