@misc{cryptoeprint:2014:203,
    author = {Nashad Ahmed Safa and Reihaneh Safavi-Naini and Siamak F. Shahandashti},
    title = {Privacy-Preserving Implicit Authentication},
    howpublished = {Cryptology ePrint Archive, Report 2014/203},
    year = {2014},
    url = {https://eprint.iacr.org/2014/203},
}