Mix together eggs, sugar, oil and pumpkin.

Add flour, baking powder, cinnamon, salt, and baking soda.

Mix in chocolate chips.

Using a spatula, spread evenly in greased 13x9 baking pan.

Bake at 350 degrees for 30 minutes or until knife inserted into center comes out clean.

In a separate bowl, whip together the cream cheese, butter, and vanilla.

Add the powdered sugar 1/2 cup at a time beating on low until you reach the desired consistency. Wait until bars are completely cool to frost.