Are you sure you need unique Discount Coupons or just limit how many you pass out?

Let's say you want 132 Discount Coupons for $5.00 off anything ...

Make a Discount Coupon
Coupon Amount: 5.00

Uses per Coupon: 132

Uses per Customer: 1

Set dates if needed, keep in mind dates are based on Midnight ...

Example: to be good for Only October 14, 2010 you would set the dates to start on: 14 October 2010 end on: 15 October 2010