BIFILAR WOUND TOROID CHOKE COIL

I NEED AN ELECTRICAL ENGINEER TO PROVIDE ME WITH THE SPECIFICATIONS FOR BUILDING A WORKING, BIFILAR WOUND TOROID CHOKE COIL. (TYPE AND SIZE OF CORE, WIRE SIZE, WINDINGS, DIRECTIONS, OF WINDINGS, ETC.) THE COIL IS TO BE FED FROM AN AUTO BATTERY 12 VOLTS. AND GENERATE 50,000 VOLTS WITH 1 AMP OUTPUT. SO THAT I MAY HAVE ONE BUILT.