Read Cookie value containg special characters in asp.net

Hi,

we are developing asp.net web application.

In that we are storing special characters in cookie using java script.

If i read cookie value in javascript it gives me correct value.

But when we read cookie value in codebehind of asp.net , it does not give me actual value.

Special characers e.g. :-    Über

Please give me solution to get actual value of cookie in code behind of asp.net

Thanks

Prasad