Lee Feng Koo and Tze Jin Wong and Pang Hung Yiu and Nik Mohd Asri Nik Long, An Attack on the Lucas Based El-Gamal Cryptosystem in the Elliptic Curve Group Over Finite Field Using Greater Common Divisor. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. March 2019, vol. 148(4). 80 - 83 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10010260.