Junzuo Lai Robert H. Deng Shengli Liu Weidong Kou RSA-Based Certificateless Public Key Encryption. 24-34 2009 ISPEC http://dx.doi.org/10.1007/978-3-642-00843-6_3 conf/ispec/2009 db/conf/ispec/ispec2009.html#LaiDLK09