NET

11 And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised, so that he would become the father of all those who believe but have never been circumcised, that they too could have righteousness credited to them.

Darby

11 And he received [the] sign of circumcision [as] seal of the righteousness of faith which [he had] being in uncircumcision, that he might be [the] father of all them that believe being in uncircumcision, that righteousness might be reckoned to them also;

KJV

11 And he received the sign of circumcision, a seal of the righteousness of the faith which [he had yet] being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also: