You should have received a 1099-DIV related to your stocks cash dividend. You should contact the company or your broker if you have not received one.
Once you have signed
into your TurboTax Account (for TurboTax Online sign-in, click Here), select "Take Me To My
Return" and type "1099-DIV" in the search bar then select
"jump to 1099-DIV". TurboTax will guide you in entering this
information.