hxxp://www.defcon.org/images/defcon-22/dc-22-presentations/Bulygin-Bazhaniul-Furtak-Loucaides/DEFCON-22-Bulygin-Bazhaniul-Furtak-Loucaides-Summary-of-attacks-against-BIOS-UPDATED.pdf . Page 96 has approximately 30 references to BIOS security research.