Bean and Chicken Taquitos

flour tortillas (8-in. size), cut in half

About 1 1/2 cups canned refried black beans

About 1 1/2 cups shredded rotisserie chicken (from half a 3-lb. chicken)

About 2 1/2 cups (10 oz.) shredded Mexican cheese blend

Vegetable oil for frying

Toothpicks