You do not have to do anything. If you didn't withdraw money, you will not get any forms.
However, your W-2 will reflect the contributions in BOX 12 coded as a (D).
**Mark the post that answers your question by clicking on "Mark as Best Answer"
And actually if your employer took it out of you paychecks and they also contributed to it then it was NOT a IRA but a 401K plan.
Your contributions will be on your W2 box 12 Code D. They are pretax and have already been deducted from the wages in box 1 so you can't deduct them again.