@misc{cryptoeprint:2015:471,
    author = {Yansong Gao, Damith C. Ranasinghe, Gefei Li, Said F. Al-Sarawi, Omid Kavehei, and Derek Abbott},
    title = {A Challenge Obfuscation Method for Thwarting Model Building Attacks on PUFs},
    howpublished = {Cryptology ePrint Archive, Report 2015/471},
    year = {2015},
    url = {https://eprint.iacr.org/2015/471},
}