Masaaki Shirase Tsuyoshi Takagi Eiji Okamoto An Efficient Countermeasure against Side Channel Attacks for Pairing Computation. 290-303 2008 ISPEC http://dx.doi.org/10.1007/978-3-540-79104-1_21 conf/ispec/2008 db/conf/ispec/ispec2008.html#ShiraseTO08