A New Look at an Old Equation. - Reginald E. Sawilla; Alan K. Silvester; Hugh C. Williams (ANTS, 2008)

Security Estimates for Quadratic Field Based Cryptosystems. - Jean-François Biasse; Michael J. Jacobson Jr.; Alan K. Silvester (ACISP, 2010)

Shorter Compact Representations in Real Quadratic Fields. - Alan K. Silvester; Michael J. Jacobson Jr.; Hugh C. Williams (Number Theory and Cryptography, 2013)