I haven't tried this, but Taste of Home recipes are usually very good.

6		eggs, slightly beaten
1	c.	sugar
½	c.	butter or margarine
1/3	c.	lemon juice, fresh
2	tsp.	lemon peel, grated
1		pie crust (9-inch) baked
3	c.	blueberries, fresh
1/3	c.	sugar
¼	c.	orange juice
1	tbsp.	cornstarch

In a saucepan, combine eggs, sugar, butter, lemon juice and peel; cook, stirring constantly, over medium-low heat until mixture thickens, about 20 minutes. Cool for 20 minutes, stirring occasionally. Pour into pie shell. In a saucepan, toss blueberries and sugar. Mix orange juice and cornstarch; add to blueberries. Cook over medium heat until mixture comes to a boil, about 8 minutes, stirring gently. Cook 2 minutes longer. Cool for 15 minutes, stirring occasionally. Spoon over lemon layer. Chill for 4 - 6 hours.