An Liu Peng Ning TinyECC: A Configurable Library for Elliptic Curve Cryptography in Wireless Sensor Networks. 245-256 2008 IPSN http://doi.ieeecomputersociety.org/10.1109/IPSN.2008.47 conf/ipsn/2008 db/conf/ipsn/ipsn2008.html#LiuN08