If you received cash income and no Form 1099-Misc has been issued to you, please report it as other income.
If you have received any forms 1099-Misc for your income, enter them as such, report the rest as other income.
You don't have to have an EIN, your self-employment income can be just reported under your social security number.
To report self-employment income:
1. Federal Taxes
2. Wages and Income
3. Scroll down to Business Items
4. Select Business Income and Expenses (Sch C)