TY - CONF AU - Almenárez, Florina AU - Arias Cabarcos, Patricia AU - Marín López, Andrés AU - Díaz Sánchez, Daniel AU - Sánchez-Guerrero, Rosa ID - 28493 T2 - {IEEE} International Conference on Consumer Electronics, {ICCE} 2013, Las Vegas, NV, USA, January 11-14, 2013 TI - How costly are secure transactions on handheld devices? ER -