Rana Barua Sumit Kumar Pandey Ravi Pankaj Efficient Window-Based Scalar Multiplication on Elliptic Curves Using Double-Base Number System. 351-360 2007 conf/indocrypt/2007 INDOCRYPT http://dx.doi.org/10.1007/978-3-540-77026-8_27 db/conf/indocrypt/indocrypt2007.html#BaruaPP07